EP2912890B1 - Support d'une station de base pour entrer en mode veille et en sortir dans un système de communication sans fil - Google Patents

Support d'une station de base pour entrer en mode veille et en sortir dans un système de communication sans fil Download PDF

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EP2912890B1
EP2912890B1 EP13850895.7A EP13850895A EP2912890B1 EP 2912890 B1 EP2912890 B1 EP 2912890B1 EP 13850895 A EP13850895 A EP 13850895A EP 2912890 B1 EP2912890 B1 EP 2912890B1
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Prior art keywords
base station
sleep mode
cell
response
resource usage
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German (de)
English (en)
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EP2912890A4 (fr
EP2912890A1 (fr
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Huaming Wu
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ZTE USA Inc
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ZTE USA Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/005—Routing actions in the presence of nodes in sleep or doze mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention generally relates to wireless communication, and in particular, to methods of supporting a base station to enter and leave sleep mode when the base station's traffic load satisfies a predefined condition.
  • WO 2012/116467 A1 discloses a method and device for status management of base stations in a communication network, wherein overall traffic load of the base stations is measured and at least one of the base stations is transferred from an awaken mode to a sleep mode based on the measurement, thereby saving power of base stations.
  • WO 2011/137345 is related to systems and methods for reducing interference and saving power for home Node Bs.
  • the home Node Bs can be configured to remain in sleep mode until needed based on various criteria.
  • FIG. 1A depicts the deployment of multiple base stations with different types of coverage in accordance with some embodiments of the present application.
  • the macro eNB 10 has the largest service coverage
  • the pico eNBs 20 have smaller service coverage
  • the home eNBs 30 has the smallest service coverage.
  • the macro eNB 10 is also referred to as a "macro cell” for creating a relatively large area of coverage and the other types of eNBs are commonly referred to as "low power nodes (LPN).”
  • LPN low power nodes
  • These low power base station nodes include remote radio heads, pico eNBs 20, home eNBs (HeNBs) 30, and similar components.
  • LPNs are often deployed within an area covered by a macro cell to improve the quality and reliability of the service UE received in this area.
  • the area of coverage created by a low power base station might be referred to as a pico cell, a femto cell, a hotzone cell, a small cell, or a similar term.
  • the term “small cell” is used to refer the coverage created by those LPNs.
  • the term "low power node” or "small cell eNB" are used interchangeably herein.
  • the heterogeneous network deployment consist of low power nodes being placed throughout a macro-cell layout. But, it is also possible to deploy standalone low power nodes without macro base stations.
  • One difference between low power nodes and macro eNBs is the transmit power.
  • the maximum allowable transmit power of a macro eNB, a pico eNB, and a HeNB are typically 46 dBm, 30 dBm, 20 dBm, respectively, for a 10 MHz carrier bandwidth.
  • FIG. 1B depicts the communication interfaces between multiple base stations and mobile management entity (MME) servers in accordance with some embodiments of the present application.
  • an eNB 50-1, 50-2, 50-3 may have a dedicated backhaul connection to the service provider's core network (e.g., the MME/S-GW servers 60-1 and 60-2) through the S1 interface defined in 3GPP and connections to other eNBs through the X2 interface defined in 3GPP).
  • a femto cell is a small cellular base station, typically designed for use in a home or small business. It connects to the service provider's core network via broadband (such as DSL or cable).
  • the HeNBs 30 in FIG. 1A may not have a direct interface like the X2 interface to other pico eNBs 20 or the macro eNB 10.
  • the heterogeneous network design of having multiple small cells deployed within a macro cell is becoming a very attractive solution, especially for providing better user experience in the outdoor/indoor high-traffic areas.
  • An important nature of the heterogeneous network design is that the network traffic may be off-loaded from a macro eNB to a LPN or from one LPN to another LPN. For example, in a densely-populated urban region (e.g., a large shopping mall, etc.), many small cell low power nodes are deployed to support a large amount of data traffic.
  • the traffic load at any base station may go up and down during a predefined time period (e.g., a day).
  • a predefined time period e.g., a day.
  • the small cell base station may turn off its RF receiving/transmit circuitry completely.
  • the small cell may turn off its RF transmit circuitry while keeping its RF receiving circuitry on, or make itself available or active in limited resources such as time and/or frequency in the air interface.
  • a network operator can reduce the energy consumption when a small cell base station enters the idle or sleep mode by turning off its transmit and/or receiving circuitry.
  • Another benefit from this adaptive power consumption scheme is that it can reduce the interference to other macro and/or small cells especially in a densely-populated region.
  • a base station which may be a macro eNB or a LPN.
  • Exemplary issues include when the base station should enter the sleep mode, when and how to wake up a base station in the sleep mode, how to handle the UE connected to a base station that is going to enter the sleep mode, etc.
  • a base station should enter the sleep mode when its traffic load is lower than a predefined level, which may adversely affect the coverage provision and/or traffic balance in the neighboring cells. Therefore, other base stations should be notified of a base station's sleep mode parameters (e.g., the start time and time duration, etc.) so that they can coordinate with each other to reduce the negative impact on the coverage provision.
  • sleep mode parameters e.g., the start time and time duration, etc.
  • a wireless network is usually composed of a plurality of macro base stations in a cellular deployment. Within the coverage area of each macro base station, a set of small cells is deployed, forming a second layer, operated by the same operator. Very often, the small cells are deployed at hotspots of large capacity for offloading traffic from a corresponding macro base station.
  • the small cells may be connected to the macro base station via an interface (e.g., X2 interface in the case of the operator-deployed open access small cells, or S1 interface in the case of the user-deployed closed access small cells.
  • an exemplary sleep/wakeup mechanism is described as follows: when a small cell is not highly loaded and a neighboring macro base station or another small cell can handle the traffic from/to the small cell while offering users satisfactory QoS, the small cell should enter sleep mode. As the traffic load at the macro base station or the other small cell increases, one or more small cells need to be switched on depending on the traffic load and localization of traffic. In some embodiments, the base station that enters the sleep mode may not transmit any signal to UE in the air interface.
  • the base station may still transmit limited signals such as Synchronization CHannel (SCH) (or preambles) or Broadcast CHannel (BCH) (or some essential system information blocks) to UE, but it transmits fewer signals than it does during the active mode.
  • the base station may still communicate with other base stations and the core network via a backhaul during the sleep mode.
  • FIGS. 2A and 2B are flow charts illustrating how an operation mode controller 101 coordinates the operation of multiple base stations (103-1, 103-3), sleep/wakeup mode, in a centralized way in accordance with some embodiments of the present application.
  • the function of sleep/wakeup control is performed by a new network entity, or a virtual entity in the network, which can be either implemented in the gateway or distributed in the base stations.
  • this function is implemented in the existing network entities such as an MME server or a macro base station whose coverage may overlap with that of one or more small cells.
  • the operation model controller 101 makes decisions about when a base station should enter or leave sleep mode based on some information such as the traffic load and user localization.
  • the information of the positions of UE in a particular macro/small cell is available to the controller if the controller is implemented in the MME server where UE location information is available for mobility management purpose.
  • the UE location information may also be available if UE reports its location information using the GPS equipment in the UE.
  • the UE location information can be estimated by network positioning techniques. Note that in the following description, it is assumed the UE location information (relative or absolute, rough or accurate) is available and the details of how to obtain this location information is well-known to those skilled in the art and not within the scope of the present application.
  • the operation mode controller 101 needs to know the traffic load and the UE service requirement of a particular small cell.
  • the traffic load in terms of physical resource block (PRB) utilization may be exchanged on the X2 interface between different cells.
  • PRB physical resource block
  • the PRB utilization information itself is not enough for the operation mode controller 101 because that the PRB utilization information only reveals the resource usage in the frequency domain and it is a cell-level statistics that combines the statistics for all UE within the cell.
  • a base station may need to report the resource usage per UE as well as the combined cell-level resource usage when requested by the operation mode controller 101.
  • the operation mode controller 101 sends resource usage requests 110-1 and 110-3 to the respective base stations, eNB1 103-1 and eNB 2 103-3.
  • the operation mode controller 101 sends the resource usage status request to a base station either periodically or on-demand, which may be transmitted on the X2 interface.
  • the structure of an exemplary resource usage status request 200 is shown in FIG. 2C .
  • the resource usage status request 200 is a standalone message transmitted on the X2 interface. In some other embodiments, the request may be combined with other information into one message.
  • Cell ID 210 An identifier of a target cell that receives this request message All UE in cell (1/0) 215 '1' means that the base station should report all UE usage information of this target cell; '0' means that the base station should report only resource usage information by the identified UE List of UE IDs to report 220 If the "All UE in cell" attribute is '0', the operation mode controller should provide a list of UE IDs whose usage information need to be reported by the base station Measurement Time Interval 225 The length of a period during which the resource usage for UE in the target cell is measured. For example, the value of this attribute may be defined as a number of sub frames. Report period 230 The period for the base station to submit a resource usage information report. Note that '0' means the report is once while other values indicate the report is periodical.
  • the two base stations, eNB 1 and eNB2 each respond with a resource usage information report 115-1 and 115-3, respectively.
  • the resource usage information is in the time domain.
  • An example of the resource usage information report 240 from a base station to the operation mode controller is shown in FIG. 2D .
  • the resource usage information report 240 is a standalone message transmitted on the X2 interface. In some other embodiments, the report may be combined with other information into one message.
  • Attribute Meaning Cell ID 245 An identifier of a target cell that submits this report message.
  • All UE in cell (1/0) 250 '1' means that the report includes all UE usage information in the cell. This value corresponds to the same one contained in the resource usage status request 200.
  • Resource usage information 255 This attribute includes a plurality of pairs of (UE ID, usage string) 260-1 and 260-2, etc.
  • the measured UE usage information is defined as a usage string, wherein each position in the usage string represents a DL subframe, for which a non-zero value indicates the amount of resource utilized by that UE.
  • the length of the usage string is defined by the "Measurement Time Interval" attribute in the resource usage status request message. In some embodiments, if the "All UE in cell" attribute is '0', this attribute only contains a plurality of usage strings, one for each UE ID in the UE list in the resource usage status request message.
  • the usage string is a binary string such that a value "1" in the string indicates that a corresponding subframe is used by that UE and a value "0" in the string indicates otherwise.
  • the UE resource usage information is defined as a non-binary string, whose value represents the percentage of the amount of resources used by that UE in a subframe. For example, the numerator of the percentage calculation corresponds to the number of physical resource blocks within the subframe used by the UE while the denominator of the percentage calculation is the total number of physical resource blocks in that subframe.
  • the operation mode controller 101 then analyzes the resource usage information reports coming from different base stations (120) and determines if they satisfy a predefined condition (125). For instance, if a report from one eNB indicates no active UE in a cell (e.g. all "0" in the list of UE resource usage information entry), the operation mode controller 101 may consider that cell to be a candidate cell for entering sleep mode. In another example, if a report from one eNB indicates low traffic load in a cell (e.g. very few "1" in the list of UE resource usage information entry) and its neighboring cells are not over loaded, the operation mode controller 101 may consider that cell to be a candidate for entering sleep mode. In some embodiments, a threshold is defined to determine whether the traffic load at a particular cell is low or not. Such threshold may be predefined and stored in the operation mode controller or dynamically calculated by the operation mode controller.
  • the operation mode controller 101 may end this attempt of causing any base station to enter sleep mode. In some embodiments, the operation mode controller 101 may restart the process at a later time by resending resource usage status requests to the base stations. In some embodiments, the base stations periodically submits their resource usage information reports to the operation mode controller 101 so that the controller can reevaluate the usage status at different base stations. Assuming that the predefined condition is met (125-Yes), the operation mode controller 101 identifies the cell that can enter the sleep mode and sends a sleep command 135-1 to the base station eNB 1 associated with the cell.
  • the operation mode controller 101 sends a sleep notification 135-3 to neighboring base stations including the base station eNB 2, alerting that the base station eNB 1 will enter the sleep mode.
  • An example of the sleep/wakeup command 265 from the operation mode controller to a base station is shown in FIG. 2E .
  • the sleep/wakeup command 265 is a standalone message transmitted on the X2 interface. In some other embodiments, the command may be combined with other information into one message.
  • Attribute Meaning Cell ID 270 An identifier of a target cell that receives this command message.
  • Sleep or Wake Up (1/0) 275 "1" means the target cell will enter sleep mode; "0" means the target cell will stay active or leave sleep mode after receiving this message.
  • List of UE for handover 280 If the 'Sleep or Wake up' entry is "1", the base station at the target cell needs to handover those active UE to neighboring cells in order to enter sleep mode. In this case, this entry includes a list of pairs of (UE ID, cell ID), the cell ID representing a corresponding cell to which the UE will be handed over. If the 'Sleep or Wake up' entry is "0", the target cell should wake up and expect some UE handed over from neighboring cells. In this case, this entity includes a list of pairs of (UE ID, cell ID), the cell ID representing a corresponding cell from which the UE will be handed over.
  • the base station eNB 1 may enter sleep mode (145) if there's no active UE left in the cell. If the base station eNB 2 does not have the capacity of handling all the UE from the base station eNB 1, the operation mode controller 101 may need to find another base station for receiving the remaining UE handed over from the base station eNB 1. Note the details of UE handover procedures and the corresponding X2 messages are known in the art.
  • FIG. 2B illustrates a process of waking up a base station in the sleep mode in accordance with some embodiments of the present application.
  • the operation mode controller Before waking up a small cell in the sleep mode, the operation mode controller makes some predictions of the load information. Such load information can be, for instance, derived from localization methods, based on localization algorithms such as by exploiting traffic information in neighboring sites of that sleep mode cell.
  • the operation mode controller 101 sends a resource usage status request 150 to a base station and receives a resource usage information report 155 from the base station.
  • the operation mode controller 101 may communicate with multiple base stations to learn their traffic load and analyzes the reports 160 to determine whether a predefined condition is met or not (165).
  • the operation mode controller 101 may consider waking up the cell in the sleep mode by sending a wake up command 175-1 to offload the traffic and/or to provide QoS to UEs, which otherwise cannot be met.
  • a threshold can be defined to determine whether the traffic load is high or not. Such threshold may be predefined and stored in the operation mode controller or dynamically calculated by the operation mode controller.
  • the base station eNB 1 enters the work mode 180.
  • the operation mode controller 101 also sends a wake notification 175-3 to a neighboring base station eNB 2, the notification instructing the base station to start the handover procedure 185 for some of the UE so as to take away some traffic load from the base station.
  • FIG. 3A is a flow chart illustrating how one base station coordinates its operation with multiple base stations in accordance with some embodiments of the present application.
  • the function of sleep/wake up mode is performed in a distributed way and there is no centralized operation mode controller.
  • the base station eNB 1 103-1 has two neighboring base stations, eNB 2 103-3 and eNB 3 103-5.
  • the base station eNB 1 first checks whether a predefined condition is met or not (305). In some embodiments, the base station periodically checks whether its traffic load is below a threshold (e.g., a predefined fixed or dynamic calculated load parameter).
  • a threshold e.g., a predefined fixed or dynamic calculated load parameter
  • this base station sends a sleep mode request message 310 to its neighboring sites (including the macro cell) such as the base station eNB 2.
  • a sleep mode request 400 from a base station is shown in FIG. 3B .
  • the sleep mode request 400 is a standalone message transmitted on the X2 interface.
  • the sleep mode request 400 may be combined with other information into one message.
  • FIG. 3B Attribute Meaning
  • Source cell ID 405 An identifier of a source cell that sends this request message.
  • Target cell ID 410 An identifier of a target cell that received this request message.
  • Sleep start time 415 and sleep end time 420 The proposed start and end time for the source cell to enter sleep mode.
  • the time can be defined as the SFN number.
  • List of UE for handover 425 A list of UE that the source cell wants to hand over to the target cell in order to enter sleep mode.
  • this entry includes a plurality of pairs of (UE ID, usage string) 430-1 and 430-2.
  • UE ID For each UE ID, each position in the usage string represents a DL subframe, for which a non-zero value indicates the amount of resource utilized by that UE.
  • the usage string is a UE resource usage history in the source cell. The length of the usage string may be 10 or longer.
  • a base station that receives this sleep mode request determines the amount of resource it has to accommodate the list of UE IDs in the sleep mode request from the source cell and then replies an acceptance in a sleep mode response 315 to the source cell.
  • a base station that has a high traffic load and/or expect more UE may enter its service coverage may decline the request in the sleep mode response message.
  • An example of a sleep mode response 440 from a base station is shown in FIG. 3C .
  • the sleep mode response 440 is a standalone message transmitted on the X2 interface.
  • the sleep mode response 440 may be combined with other information into one message. Below is a table explaining the meaning of attributes in the sleep mode response 440 shown in FIG.
  • Source cell ID 445 An identifier of a source cell that sends the request message 400.
  • Target cell ID 450 An identifier of a target cell that received the request message 400.
  • Acceptance or decline (1/0) 455 means the base station associated with the "target cell ID” accepts a UE handover from the base station associated with the "source cell ID” that wants to enter sleep mode; "0” means the base station associated with the “target cell ID” declines the UE handover from the base station associated with the "source cell ID” that wants to enter sleep mode.
  • List of UEs for handover 460 A list of UE IDs (465-1, 465-2, ...) associated with the based station identified by the "source cell ID” attribute that the base station associated with the "target cell ID” attribute can accommodate. For example, if the 'Acceptance or decline' is "1", then this UE list contains the same list of UE IDs in the original "sleep mode request" message. Sometimes the list of UEs for handover may be empty in this case. Otherwise, if the 'Acceptance or decline' is "0", then this UE list may contain a subset of the original UE ID list in the "sleep mode request” message that the base station can accommodate or empty. Sleep start time 470 and sleep end time 475 The start and end time for the source cell identified by the "source cell ID” attribute to enter sleep mode, which correspond to the two attributes 415 and 420, respectively.
  • the source cell base station eNB 1 may start the UE handover procedure 325 for the UE listed in the non-empty "List of UE for handover" attribute in the sleep mode response 315 with its neighboring cells. Again, the details of UE handover procedures and the corresponding X2 messages are known in the art. Note that the UE handover procedure 325 happens only when the "List of UEs for handover" attribute 460 in the sleep mode response 315 is not empty .
  • the base station eNB 1 may start a new round of a sleep mode request 345, a sleep mode response 350, an analysis of the sleep mode response message 352, and a handover procedure 355 with another neighboring cell (e.g., base station eNB 3).
  • the base station eNB 1 103-1 iteratively negotiates with its neighboring cells to hand over all the UE to the neighboring cells. This could happen after several rounds of decline response and partial UE handover in each round with the last round sleep response being acceptance.
  • the base station eNB 1 may enter the sleep mode (340) at the start time and then leaves sleep mode at the end time, both of which are in the sleep mode request.
  • first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.
  • first ranking criteria could be termed second ranking criteria, and, similarly, second ranking criteria could be termed first ranking criteria, without departing from the scope of the present invention.
  • First ranking criteria and second ranking criteria are both ranking criteria, but they are not the same ranking criteria.
  • the term “if' may be construed to mean “when” or “upon” or “in response to determining” or “in accordance with a determination” or “in response to detecting,” that a stated condition precedent is true, depending on the context.
  • the phrase “if it is determined [that a stated condition precedent is true]” or “if [a stated condition precedent is true]” or “when [a stated condition precedent is true]” may be construed to mean “upon determining” or “in response to determining” or “in accordance with a determination” or “upon detecting” or “in response to detecting” that the stated condition precedent is true, depending on the context.
  • stages that are not order dependent may be reordered and other stages may be combined or broken out. While some reordering or other groupings are specifically mentioned, others will be obvious to those of ordinary skill in the art and so do not present an exhaustive list of alternatives. Moreover, it should be recognized that the stages could be implemented in hardware, firmware, software or any combination thereof.

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Claims (5)

  1. Procédé, effectué par une première station de base (103-1), permettant de commander le mode de fonctionnement de la première station de base avec de multiples stations de base (103-3, 103-5), comprenant :
    par la première station de base (103-1), la mesure d'une consommation de ressources pour un UE associé à la première station de base ;
    lorsque la consommation de ressources à la première station de base est inférieure à un seuil prédéfini :
    par la première station de base (103-1), la réalisation d'une négociation de mode de veille incluant les étapes a) à c) suivantes :
    a) l'envoi d'une demande de mode de veille (400) à une deuxième station de base (103-3), la demande incluant un identifiant de la première station de base, un identifiant de la deuxième station de base, un intervalle de veille proposé, des informations d'identité d'UE et des informations de consommation de ressources d'UE associées de l'UE ;
    b) la réception d'une réponse de mode de veille (440) en provenance de la deuxième station de base (103-3), la réponse incluant l'identifiant de la première station de base, l'identifiant de la deuxième station de base, un indicateur d'acceptation, les informations d'identité d'UE et des informations d'intervalle de veille correspondant à celles dans le mode de demande de veille ;
    c) le démarrage d'un processus de transfert intercellulaire avec la deuxième station de base (103-3) en fonction des informations d'identité d'UE dans la réponse de mode de veille ; et
    par la première station de base (103-1) en outre, l'entrée dans un mode de veille en réponse à la détermination qu'il ne reste pas d'UE dans la première station de base après un achèvement du processus de transfert intercellulaire et en réponse à la détermination, par la première station de base, que la réponse de mode de veille n'inclut pas une indication de refus pour refuser le processus de transfert intercellulaire ; et
    lorsqu'il reste un UE actif à la première station de base après un achèvement du processus de transfert intercellulaire avec la deuxième station de base, par la première station de base (103-1), la réalisation d'un nouveau cycle de ladite négociation de mode de veille avec une troisième station de base (103-5) pour le transfert intercellulaire de l'UE toujours actif à la première station de base.
  2. Procédé selon la revendication 1, dans lequel la demande de mode de veille inclut une pluralité de paires de « ID d'UE, chaîne de consommation », la chaîne de consommation incluant une pluralité de valeurs indiquant la consommation de ressources de l'UE associé à l'ID d'UE au cours d'un intervalle de temps de mesure de consommation de ressources.
  3. Procédé selon la revendication 2, dans lequel la chaîne de consommation est une chaîne binaire et une valeur différente de zéro dans la chaîne binaire représente que l'UE utilise des ressources au cours d'une sous-trame correspondant à une position de la valeur différente de zéro dans la chaîne binaire.
  4. Procédé selon la revendication 2, dans lequel la chaîne de consommation est une chaîne non binaire et une valeur différente de zéro correspondant à une position dans la chaîne non binaire représente un pourcentage de blocs de ressources physiques utilisés par l'UE au cours d'une sous-trame correspondante.
  5. Procédé selon l'une quelconque des revendications 1 à 4, dans lequel les informations d'identité d'UE dans la réponse de mode de veille sont au moins un sous-ensemble des informations d'identité d'UE dans la demande de mode de veille.
EP13850895.7A 2012-10-29 2013-10-29 Support d'une station de base pour entrer en mode veille et en sortir dans un système de communication sans fil Active EP2912890B1 (fr)

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PCT/US2013/067326 WO2014070785A1 (fr) 2012-10-29 2013-10-29 Support d'une station de base pour entrer en mode veille et en sortir dans un système de communication sans fil

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EP2912890A4 EP2912890A4 (fr) 2016-05-25
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230239784A1 (en) * 2020-04-17 2023-07-27 Zte Corporation Energy-saving method, base station, control unit, and storage medium

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103748943A (zh) * 2012-08-17 2014-04-23 华为技术有限公司 用户设备配对处理方法、网络侧设备和用户设备
KR101502141B1 (ko) * 2012-12-21 2015-03-12 주식회사 케이티 헤테로지니어스 네트워크의 허브 장치, 그리고 이의 부하 분산 방법
WO2014110722A1 (fr) * 2013-01-15 2014-07-24 Nokia Siemens Networks Oy Procédé et appareil
CN103974389B (zh) * 2013-02-01 2018-04-06 株式会社日立制作所 蜂窝网络中的基站和基站的休眠控制方法
US20160142973A1 (en) * 2013-08-09 2016-05-19 Lg Electronics Inc. Method and apparatus for switching off cell for energy saving in wireless communication system
CA2919984A1 (fr) * 2013-08-12 2015-02-19 Sony Corporation Appareil de controle de communication, methode de controle de communication, systeme de communication radio et appareil terminal
US9826476B2 (en) * 2013-12-18 2017-11-21 Nokia Solutions And Networks Oy Method and apparatus for activating an inactive cell
JP6227793B2 (ja) * 2013-12-31 2017-11-08 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 通信方法、装置、およびシステム
CN104811962B (zh) * 2014-01-24 2021-03-09 中兴通讯股份有限公司 小小区基站状态切换方法及装置
US9461917B1 (en) * 2014-04-01 2016-10-04 Clearwire Ip Holdings Llc Controlling base station power status based on quality of service load
US20150365890A1 (en) * 2014-06-16 2015-12-17 Telefonaktiebolaget L M Ericsson (Publ) System And Method For Reducing Power Consumption By A Network Node
US9485725B2 (en) * 2014-06-25 2016-11-01 Qatar University Qstp-B Methods and system for dynamically switching off/on of base stations
WO2015198572A1 (fr) * 2014-06-27 2015-12-30 日本電気株式会社 Station de base, serveur, système et procédé d'attribution de ressources sans fil
US9432901B1 (en) * 2015-07-24 2016-08-30 Cisco Technology, Inc. System and method to facilitate radio access point load prediction in a network environment
JP6542625B2 (ja) * 2015-09-14 2019-07-10 京セラ株式会社 基地局、中継局、および無線通信システム
WO2018020292A1 (fr) * 2016-07-25 2018-02-01 Telefonaktiebolaget Lm Ericsson (Publ) Puissance et équilibrage de charge de station de base décentralisée
US11540221B2 (en) * 2017-02-01 2022-12-27 Qualcomm Incorporated Adaptive power save with reinforcement learning
US10244467B2 (en) * 2017-05-26 2019-03-26 Mediatek Singapore Pte. Ltd. Power-save operations for access points
JP6632036B2 (ja) * 2017-09-01 2020-01-15 Ｎｅｃプラットフォームズ株式会社 制御装置、通信システム、制御方法および制御プログラム
CN109600763A (zh) * 2017-09-30 2019-04-09 中国移动通信有限公司研究院 一种休眠、唤醒控制方法、装置、cu、du和存储介质
US10674446B1 (en) 2018-05-08 2020-06-02 Architecture Technology Corporation Sleep/wake based on coverage
US11330518B2 (en) 2018-06-29 2022-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Radio network node sleep operation
EP4580147A3 (fr) * 2018-08-23 2025-10-15 John Mezzalingua Associates, LLC. Système et procédé de création et de gestion de sous-réseaux privés de stations de base lte
US11234189B2 (en) 2018-11-12 2022-01-25 Qualcomm Incorporated Fifth generation (5G) new radio (NR) network power savings
US11388669B2 (en) * 2019-01-29 2022-07-12 Mediatek Singapore Pte. Ltd. Method and apparatus for power consumption reduction with multi-link operation in mobile communications
EP4035248A4 (fr) * 2019-09-24 2023-06-07 Telefonaktiebolaget LM Ericsson (publ) Procédés de sélection de source d'énergie sur la base d'un taux d'énergie corrélé à une utilisation de puissance de trafic radio et appareil associé
CN114071662A (zh) * 2020-08-03 2022-02-18 中国电信股份有限公司 基站及其节能控制方法和装置
CN114339900A (zh) * 2020-09-29 2022-04-12 索尼公司 用于基站的休眠和唤醒的电子设备、方法和存储介质
CN113891365B (zh) * 2021-10-15 2024-01-26 中国联合网络通信集团有限公司 中继设备的控制方法、装置、设备、系统及存储介质
CN114172563B (zh) * 2021-12-09 2022-09-13 广州爱浦路网络技术有限公司 通信卫星休眠控制方法、天地一体化通信网络和存储介质
CN118511599A (zh) * 2022-03-21 2024-08-16 联发科技股份有限公司 基于时序信息的唤醒信号传输的方法与装置
CN117560749A (zh) * 2022-08-03 2024-02-13 维沃移动通信有限公司 唤醒信号的同步源的确定方法、终端及网络侧设备
CN117998506A (zh) * 2022-11-02 2024-05-07 北京三星通信技术研究有限公司 无线通信系统中的节点及其执行的方法
CN116209038B (zh) * 2022-12-06 2025-12-23 中国联合网络通信集团有限公司 基站节能方法、装置、基站设备及存储介质
CN116249183B (zh) * 2022-12-07 2026-03-31 中国联合网络通信集团有限公司 网络设备管理方法、装置及存储介质
CN117042068A (zh) * 2023-09-21 2023-11-10 立讯精密工业股份有限公司 一种服务切换方法、装置、电子设备和存储介质
CN120239024B (zh) * 2025-05-30 2025-10-17 国网浙江省电力有限公司营销服务中心 一种5g基站节能控制方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8095143B2 (en) * 2009-02-13 2012-01-10 Telefonaktiebolaget L M Ericsson Random access channel (RACH) reconfiguration for temporarily extended cell coverage
KR101483573B1 (ko) * 2009-03-13 2015-01-16 닛본 덴끼 가부시끼가이샤 무선 통신 시스템과 방법과 무선 기지국
MY156150A (en) * 2009-12-22 2016-01-15 Interdigital Patent Holdings Group-based machine to machine communication
KR101550959B1 (ko) * 2010-01-08 2015-09-07 인터디지탈 패튼 홀딩스, 인크 기지국들 및 원격 액세스 포인트들에서의 전력 소모 관리
EP2564640A1 (fr) * 2010-04-30 2013-03-06 Interdigital Patent Holdings, Inc. Identification d'un n ud mère, réduction des interférences et économies d'énergie
JP5610074B2 (ja) * 2010-06-30 2014-10-22 富士通株式会社 エネルギ効率の良いモバイルオーバレイネットワークの遷移メカニズム
US8902791B2 (en) * 2010-10-01 2014-12-02 Qualcomm Incorporated Configuration control of inter-cell signaling based on power state
US20130303150A1 (en) * 2011-02-28 2013-11-14 Telefonaktiebolaget L M Ericsson (Publ) Apparatus and Method for Saving Power of Base Stations

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230239784A1 (en) * 2020-04-17 2023-07-27 Zte Corporation Energy-saving method, base station, control unit, and storage medium
US12501356B2 (en) * 2020-04-17 2025-12-16 Zte Corporation Energy-saving method, base station, control unit, and storage medium

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HK1214461A1 (zh) 2016-07-22
EP2912890A1 (fr) 2015-09-02
US9351216B2 (en) 2016-05-24
US20150245270A1 (en) 2015-08-27

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